Daily Dispersion Outlook
Issued by NWS Pendleton, OR

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566
AUUS46 KPDT 101216
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
416 AM PST WED FEB 10 2016

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 VRB 3-6 MPH.        NW 3-6 MPH
TRANSPORT WINDS               VRB 3-6 MPH.        NW 3-6 MPH
MIXING HEIGHT                 NEAR SURFACE.       3000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR THU FEB 11        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          61 (POOR).
OUTLOOK FOR THU FEB 11        79 (POOR).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 3-6 MPH.          SE 2-5 MPH.
TRANSPORT WINDS               W 3-6 MPH.          SE 3-6 MPH.
MIXING HEIGHT                 NEAR SURFACE.       2500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR THU FEB 11        POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          43 (POOR).
OUTLOOK FOR THU FEB 11        76 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 15-25 MPH.        S 15-25 MPH.
TRANSPORT WINDS               S 15-25 MPH.        S 15-25 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4500 FT MSL.
DISPERSION CATEGORY           FAIR.               FAIR.
OUTLOOK FOR THU FEB 11        FAIR.

VENTILATION INDEX (CATEGORY)  60 (POOR).          143 (POOR).
OUTLOOK FOR THU FEB 11        112 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       25 (POOR)
ELLENSBURG     26 (POOR)
GOLDENDALE     52 (POOR)
TRI-CITIES     47 (POOR)
WALLA WALLA    78 (POOR)
YAKIMA         38 (POOR)
BEND          105 (POOR)
PRINEVILLE    109 (POOR)
ENTERPRISE     31 (POOR)
HERMISTON      41 (POOR)
JOHN DAY       50 (POOR)
LA GRANDE     144 (POOR)
MADRAS        139 (POOR)
MEACHAM        97 (POOR)
PENDLETON      29 (POOR)
REDMOND       110 (POOR)
SENECA         44 (POOR)
THE DALLES     29 (POOR)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$



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